var _ = check.Suite(&LoadSuite{})
+var emptyConfigYAML = `Clusters: {"z1111": {}}`
+
// Return a new Loader that reads cluster config from configdata
// (instead of the usual default /etc/arvados/config.yml), and logs to
// logdst or (if that's nil) c.Log.
}
func (s *LoadSuite) TestNoConfigs(c *check.C) {
- cfg, err := testLoader(c, `Clusters: {"z1111": {}}`, nil).Load()
+ cfg, err := testLoader(c, emptyConfigYAML, nil).Load()
c.Assert(err, check.IsNil)
c.Assert(cfg.Clusters, check.HasLen, 1)
cc, err := cfg.GetCluster("z1111")
c.Check(cc.API.MaxItemsPerResponse, check.Equals, 1000)
}
+func (s *LoadSuite) TestNullKeyDoesNotOverrideDefault(c *check.C) {
+ ldr := testLoader(c, `{"Clusters":{"z1111":{"API":}}}`, nil)
+ ldr.SkipDeprecated = true
+ cfg, err := ldr.Load()
+ c.Assert(err, check.IsNil)
+ c1, err := cfg.GetCluster("z1111")
+ c.Assert(err, check.IsNil)
+ c.Check(c1.ClusterID, check.Equals, "z1111")
+ c.Check(c1.API.MaxRequestAmplification, check.Equals, 4)
+ c.Check(c1.API.MaxItemsPerResponse, check.Equals, 1000)
+}
+
func (s *LoadSuite) TestMungeLegacyConfigArgs(c *check.C) {
f, err := ioutil.TempFile("", "")
c.Check(err, check.IsNil)
f, err = ioutil.TempFile("", "")
c.Check(err, check.IsNil)
defer os.Remove(f.Name())
- io.WriteString(f, "Clusters: {aaaaa: {}}\n")
+ io.WriteString(f, emptyConfigYAML)
newfile := f.Name()
for _, trial := range []struct {
c.Errorf("Should have produced an error")
}
- var logbuf bytes.Buffer
- loader := testLoader(c, string(DefaultYAML), &logbuf)
+ loader := testLoader(c, string(DefaultYAML), nil)
cfg, err := loader.Load()
c.Assert(err, check.IsNil)
if err := checkListKeys("", cfg); err != nil {
c.Error(err)
}
}
+
+func (s *LoadSuite) TestImplicitStorageClasses(c *check.C) {
+ // If StorageClasses and Volumes.*.StorageClasses are all
+ // empty, there is a default storage class named "default".
+ ldr := testLoader(c, `{"Clusters":{"z1111":{}}}`, nil)
+ cfg, err := ldr.Load()
+ c.Assert(err, check.IsNil)
+ cc, err := cfg.GetCluster("z1111")
+ c.Assert(err, check.IsNil)
+ c.Check(cc.StorageClasses, check.HasLen, 1)
+ c.Check(cc.StorageClasses["default"].Default, check.Equals, true)
+ c.Check(cc.StorageClasses["default"].Priority, check.Equals, 0)
+
+ // The implicit "default" storage class is used by all
+ // volumes.
+ ldr = testLoader(c, `
+Clusters:
+ z1111:
+ Volumes:
+ z: {}`, nil)
+ cfg, err = ldr.Load()
+ c.Assert(err, check.IsNil)
+ cc, err = cfg.GetCluster("z1111")
+ c.Assert(err, check.IsNil)
+ c.Check(cc.StorageClasses, check.HasLen, 1)
+ c.Check(cc.StorageClasses["default"].Default, check.Equals, true)
+ c.Check(cc.StorageClasses["default"].Priority, check.Equals, 0)
+ c.Check(cc.Volumes["z"].StorageClasses["default"], check.Equals, true)
+
+ // The "default" storage class isn't implicit if any classes
+ // are configured explicitly.
+ ldr = testLoader(c, `
+Clusters:
+ z1111:
+ StorageClasses:
+ local:
+ Default: true
+ Priority: 111
+ Volumes:
+ z:
+ StorageClasses:
+ local: true`, nil)
+ cfg, err = ldr.Load()
+ c.Assert(err, check.IsNil)
+ cc, err = cfg.GetCluster("z1111")
+ c.Assert(err, check.IsNil)
+ c.Check(cc.StorageClasses, check.HasLen, 1)
+ c.Check(cc.StorageClasses["local"].Default, check.Equals, true)
+ c.Check(cc.StorageClasses["local"].Priority, check.Equals, 111)
+
+ // It is an error for a volume to refer to a storage class
+ // that isn't listed in StorageClasses.
+ ldr = testLoader(c, `
+Clusters:
+ z1111:
+ StorageClasses:
+ local:
+ Default: true
+ Priority: 111
+ Volumes:
+ z:
+ StorageClasses:
+ nx: true`, nil)
+ _, err = ldr.Load()
+ c.Assert(err, check.ErrorMatches, `z: volume refers to storage class "nx" that is not defined.*`)
+
+ // It is an error for a volume to refer to a storage class
+ // that isn't listed in StorageClasses ... even if it's
+ // "default", which would exist implicitly if it weren't
+ // referenced explicitly by a volume.
+ ldr = testLoader(c, `
+Clusters:
+ z1111:
+ Volumes:
+ z:
+ StorageClasses:
+ default: true`, nil)
+ _, err = ldr.Load()
+ c.Assert(err, check.ErrorMatches, `z: volume refers to storage class "default" that is not defined.*`)
+
+ // If the "default" storage class is configured explicitly, it
+ // is not used implicitly by any volumes, even if it's the
+ // only storage class.
+ var logbuf bytes.Buffer
+ ldr = testLoader(c, `
+Clusters:
+ z1111:
+ StorageClasses:
+ default:
+ Default: true
+ Priority: 111
+ Volumes:
+ z: {}`, &logbuf)
+ _, err = ldr.Load()
+ c.Assert(err, check.ErrorMatches, `z: volume has no StorageClasses listed`)
+
+ // If StorageClasses are configured explicitly, there must be
+ // at least one with Default: true. (Calling one "default" is
+ // not sufficient.)
+ ldr = testLoader(c, `
+Clusters:
+ z1111:
+ StorageClasses:
+ default:
+ Priority: 111
+ Volumes:
+ z:
+ StorageClasses:
+ default: true`, nil)
+ _, err = ldr.Load()
+ c.Assert(err, check.ErrorMatches, `there is no default storage class.*`)
+}